Otis Gen2 Scratch [upd] Here
Otis Gen2 Scratch: What It Is, Why It Happens, and How to Fix It
Observable Symptoms:
scratch audio recording
Open a ticket with Otis Field Engineering and provide them with the (taken with your phone near the sheave) and the GECB fault log .
1. Belt Misalignment (The Primary Culprit)
Prevent the scratch before it starts with this schedule: otis gen2 scratch
- The Sound: A single loud "pop" followed by a consistent scratch.